#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c;
	cin>>a>>b;
	if(a%b==0){
		c=a/b;
	}else if(a%b!=0){
		c=a/b+1;
	}
	cout<<c;
}

/**************************************************************
	Problem: 1648
	User: toughuatao1
	Language: C++
	Result: Accepted
	Time:17 ms
	Memory:2072 kb
****************************************************************/